prefix: Meaning and Definition of

pre•fix

1. an affix placed before a base or another prefix, as un- in unkind, un- and re- in unrewarding.
2. something prefixed, as a title before a person's name.

1. to fix or put before or in front: to prefix an impressive title to one's name.
2. to add as a prefix.
3. to fix, settle, or appoint beforehand.